Mitsubishi Galant 9G. Manual — part 89
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-352
STEP 8. Check headlight (LOW: RH) connector A-32 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is headlight (LOW: RH) connector A-32 in good
condition?
YES : Go to Step 9.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Check that the headlight (LOW: RH)
illuminates normally.
STEP 9. Check the headlight bulb (LOW: RH).
(1) Remove the headlight bulb (LOW: RH).
(2) Verify that the headlight bulb (LOW: RH) is not damaged or
burned out.
Q: Is the headlight bulb (LOW: RH) in good condition?
YES : Go to Step 10.
NO : Replace the headlight bulb (LOW: RH). Verify that the
headlight (LOW: RH) illuminates normally.
STEP 10. Check the ground circuit to the headlight (LOW:
RH). Measure the resistance at headlight (LOW: RH)
connector A-32.
(1) Disconnect headlight (LOW: RH) connector A-32 and
measure the resistance available at the wiring harness side
of the connector.
(2) Measure the resistance value between terminal 2 and
ground.
• The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 12.
NO : Go to Step 11.
AC305206
A-32 (BR)
HARNESS SIDE
CONNECTOR: A-32
AO
AC305206
A-32 (BR)
HARNESS SIDE
CONNECTOR: A-32
AO
AC209364GT
CONNECTOR A-32
(HARNESS SIDE)
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-353
STEP 11. Check the wiring harness between headlight
(LOW: RH) connector A-32 (terminal 2) and ground.
Q: Is the wiring harness between headlight (LOW: RH)
connector A-32 (terminal 2) and ground in good
condition?
YES : Replace the headlight socket (LOW: RH). Verify that
the headlight (LOW: RH) illuminates normally.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. Verify that
the headlight (LOW: RH) illuminates normally.
STEP 12. Check front-ECU connector A-11X for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is front-ECU connector A-11X in good condition?
YES : Go to Step 13.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Check that the headlight (LOW: RH)
illuminates normally.
STEP 13. Check the wiring harness between headlight
(LOW: RH) connector A-32 (terminal 1) and front-ECU
connector A-11X (terminal 6).
Q: Is the wiring harness between headlight (LOW: RH)
connector A-32 (terminal 1) and front-ECU connector
A-11X (terminal 6) in good condition?
YES : No action is necessary and testing is complete.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. Verify that
the headlight (LOW: RH) illuminates normally.
AC305206
A-32 (BR)
HARNESS SIDE
CONNECTOR: A-32
AO
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
AC305206
A-32 (BR)
HARNESS SIDE
CONNECTOR: A-32
AO
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-354
STEP 14. Check headlight (HIGH: LH) connector A-21 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is headlight (HIGH: LH) connector A-21 in good
condition?
YES : Go to Step 15.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Check that the headlight (HIGH: LH)
illuminates normally.
STEP 15. Check the headlight bulb (HIGH: LH).
(1) Remove the headlight bulb (HIGH: LH).
(2) Verify that the headlight bulb (HIGH: LH) is not damaged or
burned out.
Q: Is the headlight bulb (HIGH: LH) in good condition?
YES : Go to Step 16.
NO : Replace the headlight bulb (HIGH: LH). Verify that the
headlight (HIGH: LH) illuminates normally.
STEP 16. Check the ground circuit to the headlight (HIGH:
LH). Measure the resistance at headlight (HIGH: LH)
connector A-21.
(1) Disconnect headlight (HIGH: LH) connector A-21 and
measure the resistance available at the wiring harness side
of the connector.
(2) Measure the resistance value between terminal 2 and
ground.
• The resistance should be 2 ohms or less.
Q: Is the measured resistance 2 ohms or less?
YES : Go to Step 18.
NO : Go to Step 17.
AC400526
AH
HARNESS SIDE
CONNECTOR: A-21
A-21 (B)
AC400526
AH
HARNESS SIDE
CONNECTOR: A-21
A-21 (B)
AC209364GQ
CONNECTOR A-21
(HARNESS SIDE)
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-355
STEP 17. Check the wiring harness between headlight
(HIGH: LH) connector A-21 (terminal 2) and ground.
Q: Is the wiring harness between headlight (HIGH: LH)
connector A-21 (terminal 2) and ground in good
condition?
YES : Replace the headlight socket (HIGH: LH). Verify that
the headlight (HIGH: LH) illuminates normally.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. Verify that
the headlight (HIGH: LH) illuminates normally.
STEP 18. Check front-ECU connector A-11X for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
Q: Is front-ECU connector A-11X in good condition?
YES : Go to Step 19.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Check that the headlight (HIGH: LH)
illuminates normally.
STEP 19. Check the wiring harness between headlight
(HIGH: LH) connector A-21 (terminal 1) and front-ECU
connector A-11X (terminal 10).
Q: Is the wiring harness between headlight (HIGH: LH)
connector A-21 (terminal 1) and front-ECU connector
A-11X (terminal 10) in good condition?
YES : No action is necessary and testing is complete.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary. Verify that
the headlight (HIGH: LH) illuminates normally.
AC400526
AH
HARNESS SIDE
CONNECTOR: A-21
A-21 (B)
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
AC305977AH
CONNECTOR: A-11X
RELAY BOX SIDE
AC400526
AH
HARNESS SIDE
CONNECTOR: A-21
A-21 (B)
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